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<div class="title">SmartRange.hh</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* ========================================================================= *</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *                               OpenMesh                                    *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *           Copyright (c) 2001-2019, RWTH-Aachen University                 *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *           Department of Computer Graphics and Multimedia                  *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *                          All rights reserved.                             *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *                            www.openmesh.org                               *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *---------------------------------------------------------------------------*</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * This file is part of OpenMesh.                                            *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *---------------------------------------------------------------------------*</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without        *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions        *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * are met:                                                                  *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * 1. Redistributions of source code must retain the above copyright notice, *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *    this list of conditions and the following disclaimer.                  *</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright      *</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *    notice, this list of conditions and the following disclaimer in the    *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *    documentation and/or other materials provided with the distribution.   *</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * 3. Neither the name of the copyright holder nor the names of its          *</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> *    contributors may be used to endorse or promote products derived from   *</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *    this software without specific prior written permission.               *</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> * ========================================================================= */</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#include &lt;utility&gt;</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#include &lt;array&gt;</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#include &lt;set&gt;</span></div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">//== NAMESPACES ===============================================================</span></div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keyword">namespace </span><a class="code" href="a01233.html">OpenMesh</a> {</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment">//== FORWARD DECLARATION ======================================================</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">//== CLASS DEFINITION =========================================================</span></div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">namespace  </span>{</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="keyword">struct </span>Identity</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;{</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;  T operator()(<span class="keyword">const</span> T&amp; _t)<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _t; }</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;};</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> RangeT, <span class="keyword">typename</span> HandleT, <span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="a02445.html">   69</a></span>&#160;<span class="keyword">struct </span><a class="code" href="a02445.html">FilteredSmartRangeT</a>;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> RangeT, <span class="keyword">typename</span> HandleT&gt;</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="a02449.html">   73</a></span>&#160;<span class="keyword">struct </span><a class="code" href="a02449.html">SmartRangeT</a></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;{</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <span class="keyword">using</span> Handle = HandleT;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;  <span class="keyword">using</span> <a class="code" href="a02449.html">SmartRange</a> = <a class="code" href="a02449.html">SmartRangeT&lt;RangeT, HandleT&gt;</a>;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  <span class="keyword">using</span> Range = RangeT;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  <span class="comment">// TODO: Someone with better c++ knowledge may improve the code below.</span></div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="a02449.html#a13c21382cae3ce215ca156b6a455ab37">   88</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a13c21382cae3ce215ca156b6a455ab37">sum</a>(Functor&amp;&amp; f) -&gt; <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;  {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keyword">auto</span> begin = range-&gt;begin();</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <span class="keyword">auto</span> end   = range-&gt;end();</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    assert(begin != end);</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">typename</span> std::decay&lt;decltype (f(*begin))&gt;::type result = f(*begin);</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keyword">auto</span> it = begin;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    ++it;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <span class="keywordflow">for</span> (; it != end; ++it)</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;        result += f(*it);</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  }</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="a02449.html#a2c2ba886e721dea119dcf97226e5430a">  109</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a2c2ba886e721dea119dcf97226e5430a">avg</a>(Functor&amp;&amp; f) -&gt; <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  {</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    <span class="keyword">auto</span> begin = range-&gt;begin();</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keyword">auto</span> end   = range-&gt;end();</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    assert(begin != end);</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    <span class="keyword">typename</span> std::decay&lt;decltype (f(*begin))&gt;::type result = f(*begin);</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keyword">auto</span> it = begin;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    ++it;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    <span class="keywordtype">int</span> n_elements = 1;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;    <span class="keywordflow">for</span> (; it != end; ++it)</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    {</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        result += f(*it);</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;      ++n_elements;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    }</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keywordflow">return</span> (1.0 / n_elements) * result;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  }</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="a02449.html#a309f1e6f1f697950f43a1c767ebd84db">  135</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a309f1e6f1f697950f43a1c767ebd84db">any_of</a>(Functor&amp;&amp; f) -&gt; <span class="keywordtype">bool</span></div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;  {</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">auto</span> e : *range)</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;      <span class="keywordflow">if</span> (f(e))</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  }</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="a02449.html#a4a9d3a656c33fcf584bcfccda4359cc4">  152</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a4a9d3a656c33fcf584bcfccda4359cc4">all_of</a>(Functor&amp;&amp; f) -&gt; <span class="keywordtype">bool</span></div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;  {</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">auto</span> e : *range)</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;      <span class="keywordflow">if</span> (!f(e))</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;  }</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  <span class="keyword">template</span> &lt;<span class="keywordtype">int</span> n, <span class="keyword">typename</span> Functor = Identity&gt;</div><div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="a02449.html#a16c4593922358a4b168ed8c05f15afc2">  171</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a16c4593922358a4b168ed8c05f15afc2">to_array</a>(Functor&amp;&amp; f = {}) -&gt; std::array&lt;<span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type, n&gt;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;  {</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    std::array&lt;typename std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type, n&gt; res;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <span class="keyword">auto</span> it = range-&gt;begin();</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keyword">auto</span> end = range-&gt;end();</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordtype">int</span> i = 0;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">while</span> (i &lt; n &amp;&amp; it != end)</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;      res[i++] = f(*(it++));</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;  }</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor = Identity&gt;</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="a02449.html#a8f5379ce715caba78466cc8a2f2faa4f">  191</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a8f5379ce715caba78466cc8a2f2faa4f">to_vector</a>(Functor&amp;&amp; f = {}) -&gt; std::vector&lt;<span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type&gt;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  {</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    std::vector&lt;typename std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type&gt; res;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; e : *range)</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;      res.push_back(f(e));</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;  }</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor = Identity&gt;</div><div class="line"><a name="l00208"></a><span class="lineno"><a class="line" href="a02449.html#a0eae509ef5701b4f8186a8ba54f8e71a">  208</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a0eae509ef5701b4f8186a8ba54f8e71a">to_set</a>(Functor&amp;&amp; f = {}) -&gt; std::set&lt;<span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type&gt;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;  {</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    std::set&lt;typename std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type&gt; res;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; e : *range)</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;      res.insert(f(e));</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;  }</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00226"></a><span class="lineno"><a class="line" href="a02449.html#a388aab8e4c2f8940a360d52014c009e5">  226</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a388aab8e4c2f8940a360d52014c009e5">first</a>(Functor&amp;&amp; f = {}) -&gt; HandleT</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  {</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; e : *range)</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;      <span class="keywordflow">if</span> (f(e))</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        <span class="keywordflow">return</span> e;</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    <span class="keywordflow">return</span> HandleT();</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;  }</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="a02449.html#a2f050f7d137ab90950b5d668adcf57b9">  242</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a2f050f7d137ab90950b5d668adcf57b9">min</a>(Functor&amp;&amp; f) -&gt; <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  {</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="keyword">using</span> std::min;</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="keyword">auto</span> it    = range-&gt;begin();</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="keyword">auto</span> end   = range-&gt;end();</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    assert(it != end);</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type res = f(*it);</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    ++it;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    <span class="keywordflow">for</span> (; it != end; ++it)</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;      res = min(res, f(*it));</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  }</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00267"></a><span class="lineno"><a class="line" href="a02449.html#ac6235d6a30db15bf11c144aa6899c5aa">  267</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#ac6235d6a30db15bf11c144aa6899c5aa">argmin</a>(Functor&amp;&amp; f) -&gt; HandleT</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;  {</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;    <span class="keyword">auto</span> it    = range-&gt;begin();</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;    <span class="keyword">auto</span> min_it = it;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;    <span class="keyword">auto</span> end   = range-&gt;end();</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;    assert(it != end);</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type curr_min = f(*it);</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    ++it;</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;    <span class="keywordflow">for</span> (; it != end; ++it)</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;    {</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;      <span class="keyword">auto</span> val = f(*it);</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;      <span class="keywordflow">if</span> (val &lt; curr_min)</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;      {</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;        curr_min = val;</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;        min_it = it;</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;      }</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    }</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    <span class="keywordflow">return</span> *min_it;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;  }</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00298"></a><span class="lineno"><a class="line" href="a02449.html#ac7759756216e3c7390145b59a3b89f30">  298</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#ac7759756216e3c7390145b59a3b89f30">max</a>(Functor&amp;&amp; f) -&gt; <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;  {</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    <span class="keyword">using</span> std::max;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    <span class="keyword">auto</span> it    = range-&gt;begin();</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    <span class="keyword">auto</span> end   = range-&gt;end();</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    assert(it != end);</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type res = f(*it);</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    ++it;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keywordflow">for</span> (; it != end; ++it)</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;      res = max(res, f(*it));</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  }</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00324"></a><span class="lineno"><a class="line" href="a02449.html#a1ffe4f602539cfdb7c112761a9a0380f">  324</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a1ffe4f602539cfdb7c112761a9a0380f">argmax</a>(Functor&amp;&amp; f) -&gt; HandleT</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;  {</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    <span class="keyword">auto</span> it    = range-&gt;begin();</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <span class="keyword">auto</span> max_it = it;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    <span class="keyword">auto</span> end   = range-&gt;end();</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    assert(it != end);</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;    <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type curr_max = f(*it);</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    ++it;</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    <span class="keywordflow">for</span> (; it != end; ++it)</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    {</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;      <span class="keyword">auto</span> val = f(*it);</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;      <span class="keywordflow">if</span> (val &gt; curr_max)</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;      {</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        curr_max = val;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        max_it = it;</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;      }</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    }</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    <span class="keywordflow">return</span> *max_it;</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;  }</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00356"></a><span class="lineno"><a class="line" href="a02449.html#a2ff87b59192f68142138506a9bbb1a2c">  356</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a2ff87b59192f68142138506a9bbb1a2c">minmax</a>(Functor&amp;&amp; f) -&gt; std::pair&lt;typename std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type,</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;                                        <span class="keyword">typename</span> std::decay&lt;decltype (f(std::declval&lt;HandleT&gt;()))&gt;::type&gt;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;  {</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <span class="keywordflow">return</span> std::make_pair(this-&gt;min(f), this-&gt;max(f));</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;  }</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00370"></a><span class="lineno"><a class="line" href="a02449.html#aca4acf811b1e582629520ca5b8fe0a56">  370</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#aca4acf811b1e582629520ca5b8fe0a56">count_if</a>(Functor&amp;&amp; f) -&gt; <span class="keywordtype">int</span></div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;  {</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    <span class="keywordtype">int</span> count = 0;</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; e : *range)</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;      <span class="keywordflow">if</span> (f(e))</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        ++count;</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    <span class="keywordflow">return</span> count;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;  }</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00388"></a><span class="lineno"><a class="line" href="a02449.html#a0a9720472809f9a1492a69cc96456427">  388</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a0a9720472809f9a1492a69cc96456427">for_each</a>(Functor&amp;&amp; f) -&gt; <span class="keywordtype">void</span></div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;  {</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;    <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; e : *range)</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;      f(e);</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;  }</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;  <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00403"></a><span class="lineno"><a class="line" href="a02449.html#a81058b0a7ab06693d05231d552584e2b">  403</a></span>&#160;  <span class="keyword">auto</span> <a class="code" href="a02449.html#a81058b0a7ab06693d05231d552584e2b">filtered</a>(Functor&amp;&amp; f) -&gt; <a class="code" href="a02445.html">FilteredSmartRangeT&lt;SmartRange, Handle, typename std::decay&lt;Functor&gt;::type</a>&gt;</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;  {</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;    <span class="keyword">auto</span> range = <span class="keyword">static_cast&lt;</span><span class="keyword">const </span>RangeT*<span class="keyword">&gt;</span>(<span class="keyword">this</span>);</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    <span class="keyword">auto</span> b = (*range).begin();</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    <span class="keyword">auto</span> e = (*range).end();</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="a02445.html">FilteredSmartRangeT&lt;SmartRange, Handle, typename std::decay&lt;Functor&gt;::type</a>&gt;(f, b, e);</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;  }</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;};</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> RangeT, <span class="keyword">typename</span> HandleT, <span class="keyword">typename</span> Functor&gt;</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="keyword">struct </span><a class="code" href="a02445.html">FilteredSmartRangeT</a> : <span class="keyword">public</span> <a class="code" href="a02449.html">SmartRangeT</a>&lt;FilteredSmartRangeT&lt;RangeT, HandleT, Functor&gt;, HandleT&gt;</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;{</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;  <span class="keyword">using</span> BaseRange = <a class="code" href="a02449.html">SmartRangeT&lt;FilteredSmartRangeT&lt;RangeT, HandleT, Functor&gt;</a>, HandleT&gt;;</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;  <span class="keyword">using</span> BaseIterator = decltype((std::declval&lt;typename RangeT::Range&gt;().begin()));</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;</div><div class="line"><a name="l00421"></a><span class="lineno"><a class="line" href="a02453.html">  421</a></span>&#160;  <span class="keyword">struct </span><a class="code" href="a02453.html">FilteredIterator</a> : <span class="keyword">public</span> BaseIterator</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;  {</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    <a class="code" href="a02453.html">FilteredIterator</a>(Functor f, BaseIterator it, BaseIterator end): BaseIterator(it), f_(f), end_(end)</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    {</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;      <span class="keywordflow">if</span> (!f_(*(*<span class="keyword">this</span>))) <span class="comment">// if start is not valid go to first valid one</span></div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;        operator++();</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;    }</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;    <a class="code" href="a02453.html">FilteredIterator</a>&amp; operator++()</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    {</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;      <span class="keywordflow">if</span> (BaseIterator::operator==(end_)) <span class="comment">// don&#39;t go past end</span></div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;        <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;      <span class="comment">// go to next valid one</span></div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;      <span class="keywordflow">do</span></div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        BaseIterator::operator++();</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;      <span class="keywordflow">while</span> (BaseIterator::operator!=(end_) &amp;&amp; !f_(*(*<span class="keyword">this</span>)));</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;      <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    }</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    Functor f_;</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;    BaseIterator end_;</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;  };</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;  <a class="code" href="a02445.html">FilteredSmartRangeT</a>(Functor f, BaseIterator begin, BaseIterator end) : f_(f), begin_(begin), end_(end){}</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;  <a class="code" href="a02453.html">FilteredIterator</a> begin()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="a02453.html">FilteredIterator</a>(f_, begin_, end_); }</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;  <a class="code" href="a02453.html">FilteredIterator</a> end()<span class="keyword">   const </span>{ <span class="keywordflow">return</span> <a class="code" href="a02453.html">FilteredIterator</a>(f_, end_, end_); }</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;  Functor f_;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;  BaseIterator begin_;</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;  BaseIterator end_;</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;};</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;</div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;} <span class="comment">// namespace OpenMesh</span></div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="comment">//=============================================================================</span></div><div class="ttc" id="a02449_html_a309f1e6f1f697950f43a1c767ebd84db"><div class="ttname"><a href="a02449.html#a309f1e6f1f697950f43a1c767ebd84db">OpenMesh::SmartRangeT::any_of</a></div><div class="ttdeci">auto any_of(Functor &amp;&amp;f) -&gt; bool</div><div class="ttdoc">Check if any element fulfils condition. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:135</div></div>
<div class="ttc" id="a02453_html"><div class="ttname"><a href="a02453.html">OpenMesh::FilteredSmartRangeT::FilteredIterator</a></div><div class="ttdef"><b>Definition:</b> SmartRange.hh:421</div></div>
<div class="ttc" id="a02449_html_a8f5379ce715caba78466cc8a2f2faa4f"><div class="ttname"><a href="a02449.html#a8f5379ce715caba78466cc8a2f2faa4f">OpenMesh::SmartRangeT::to_vector</a></div><div class="ttdeci">auto to_vector(Functor &amp;&amp;f={}) -&gt; std::vector&lt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type &gt;</div><div class="ttdoc">Convert range to vector. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:191</div></div>
<div class="ttc" id="a02449_html_a0eae509ef5701b4f8186a8ba54f8e71a"><div class="ttname"><a href="a02449.html#a0eae509ef5701b4f8186a8ba54f8e71a">OpenMesh::SmartRangeT::to_set</a></div><div class="ttdeci">auto to_set(Functor &amp;&amp;f={}) -&gt; std::set&lt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type &gt;</div><div class="ttdoc">Convert range to set. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:208</div></div>
<div class="ttc" id="a02449_html_a2f050f7d137ab90950b5d668adcf57b9"><div class="ttname"><a href="a02449.html#a2f050f7d137ab90950b5d668adcf57b9">OpenMesh::SmartRangeT::min</a></div><div class="ttdeci">auto min(Functor &amp;&amp;f) -&gt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type</div><div class="ttdoc">Compute minimum. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:242</div></div>
<div class="ttc" id="a02449_html_a81058b0a7ab06693d05231d552584e2b"><div class="ttname"><a href="a02449.html#a81058b0a7ab06693d05231d552584e2b">OpenMesh::SmartRangeT::filtered</a></div><div class="ttdeci">auto filtered(Functor &amp;&amp;f) -&gt; FilteredSmartRangeT&lt; SmartRange, Handle, typename std::decay&lt; Functor &gt;::type &gt;</div><div class="ttdoc">Only iterate over a subset of elements. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:403</div></div>
<div class="ttc" id="a02449_html_a0a9720472809f9a1492a69cc96456427"><div class="ttname"><a href="a02449.html#a0a9720472809f9a1492a69cc96456427">OpenMesh::SmartRangeT::for_each</a></div><div class="ttdeci">auto for_each(Functor &amp;&amp;f) -&gt; void</div><div class="ttdoc">Apply a functor to each element. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:388</div></div>
<div class="ttc" id="a02449_html_ac6235d6a30db15bf11c144aa6899c5aa"><div class="ttname"><a href="a02449.html#ac6235d6a30db15bf11c144aa6899c5aa">OpenMesh::SmartRangeT::argmin</a></div><div class="ttdeci">auto argmin(Functor &amp;&amp;f) -&gt; HandleT</div><div class="ttdoc">Compute minimal element. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:267</div></div>
<div class="ttc" id="a02449_html_a13c21382cae3ce215ca156b6a455ab37"><div class="ttname"><a href="a02449.html#a13c21382cae3ce215ca156b6a455ab37">OpenMesh::SmartRangeT::sum</a></div><div class="ttdeci">auto sum(Functor &amp;&amp;f) -&gt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type</div><div class="ttdoc">Computes the sum of elements. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:88</div></div>
<div class="ttc" id="a02449_html_a2ff87b59192f68142138506a9bbb1a2c"><div class="ttname"><a href="a02449.html#a2ff87b59192f68142138506a9bbb1a2c">OpenMesh::SmartRangeT::minmax</a></div><div class="ttdeci">auto minmax(Functor &amp;&amp;f) -&gt; std::pair&lt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type, typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type &gt;</div><div class="ttdoc">Computes minimum and maximum. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:356</div></div>
<div class="ttc" id="a02449_html_ac7759756216e3c7390145b59a3b89f30"><div class="ttname"><a href="a02449.html#ac7759756216e3c7390145b59a3b89f30">OpenMesh::SmartRangeT::max</a></div><div class="ttdeci">auto max(Functor &amp;&amp;f) -&gt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type</div><div class="ttdoc">Compute maximum. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:298</div></div>
<div class="ttc" id="a02449_html_a388aab8e4c2f8940a360d52014c009e5"><div class="ttname"><a href="a02449.html#a388aab8e4c2f8940a360d52014c009e5">OpenMesh::SmartRangeT::first</a></div><div class="ttdeci">auto first(Functor &amp;&amp;f={}) -&gt; HandleT</div><div class="ttdoc">Get the first element that fulfills a condition. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:226</div></div>
<div class="ttc" id="a02449_html_a2c2ba886e721dea119dcf97226e5430a"><div class="ttname"><a href="a02449.html#a2c2ba886e721dea119dcf97226e5430a">OpenMesh::SmartRangeT::avg</a></div><div class="ttdeci">auto avg(Functor &amp;&amp;f) -&gt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type</div><div class="ttdoc">Computes the average of elements. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:109</div></div>
<div class="ttc" id="a02449_html"><div class="ttname"><a href="a02449.html">OpenMesh::SmartRangeT</a></div><div class="ttdoc">Base class for all smart range types. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:73</div></div>
<div class="ttc" id="a02449_html_aca4acf811b1e582629520ca5b8fe0a56"><div class="ttname"><a href="a02449.html#aca4acf811b1e582629520ca5b8fe0a56">OpenMesh::SmartRangeT::count_if</a></div><div class="ttdeci">auto count_if(Functor &amp;&amp;f) -&gt; int</div><div class="ttdoc">Compute number of elements that satisfy a given predicate. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:370</div></div>
<div class="ttc" id="a02449_html_a16c4593922358a4b168ed8c05f15afc2"><div class="ttname"><a href="a02449.html#a16c4593922358a4b168ed8c05f15afc2">OpenMesh::SmartRangeT::to_array</a></div><div class="ttdeci">auto to_array(Functor &amp;&amp;f={}) -&gt; std::array&lt; typename std::decay&lt; decltype(f(std::declval&lt; HandleT &gt;()))&gt;::type, n &gt;</div><div class="ttdoc">Convert range to array. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:171</div></div>
<div class="ttc" id="a01233_html"><div class="ttname"><a href="a01233.html">OpenMesh</a></div><div class="ttdoc">Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...</div><div class="ttdef"><b>Definition:</b> MeshItems.hh:59</div></div>
<div class="ttc" id="a02445_html"><div class="ttname"><a href="a02445.html">OpenMesh::FilteredSmartRangeT</a></div><div class="ttdoc">Class which applies a filter when iterating over elements. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:69</div></div>
<div class="ttc" id="a02449_html_a4a9d3a656c33fcf584bcfccda4359cc4"><div class="ttname"><a href="a02449.html#a4a9d3a656c33fcf584bcfccda4359cc4">OpenMesh::SmartRangeT::all_of</a></div><div class="ttdeci">auto all_of(Functor &amp;&amp;f) -&gt; bool</div><div class="ttdoc">Check if all elements fulfil condition. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:152</div></div>
<div class="ttc" id="a02449_html_a1ffe4f602539cfdb7c112761a9a0380f"><div class="ttname"><a href="a02449.html#a1ffe4f602539cfdb7c112761a9a0380f">OpenMesh::SmartRangeT::argmax</a></div><div class="ttdeci">auto argmax(Functor &amp;&amp;f) -&gt; HandleT</div><div class="ttdoc">Compute maximal element. </div><div class="ttdef"><b>Definition:</b> SmartRange.hh:324</div></div>
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